<?php
/**
 * Created by PhpStorm.
 * User: chenye
 * Date: 2017/11/22
 * Time: 11:12
 */
class SProductClassRelation extends MyActiveRecord  {


    public static function model($className = __CLASS__)
    {
        return parent::model($className);
    }

    public function tableName()
    {
        return 'product_class_relation';
    }

    /**
     * @param $psId
     * @param $currSemester
     * @return array|CDbDataReader
     * 获取关联班级
     */
    public function getClassRelation($psId,$currSemester){
        $sql = "SELECT c.class_name,c.grade,p.class_id
                FROM product_class_relation as p 
                LEFT JOIN class as c on c.class_id = p.class_id
                WHERE p.ps_id = {$psId} AND p.semester_id = {$currSemester}
                ";
        $result =  $this->getDbConnection()->createCommand($sql)->queryAll();
        return $result;
    }

    /**
     * @param $psId
     * @param $classIdArr
     * @param $currSemester
     * @param $setType
     * @return string
     * 新增班级与产品关联
     */
    public function insertClassRelation($psId,$classIdArr,$currSemester,$setType){
        if(is_array($classIdArr)){
            $value = array();
            //一个班级只能关联产品中的一个
            foreach ($classIdArr as $k=>$v){
                $value[] = "({$psId},{$v},{$currSemester},{$setType})";
            }
            //开始事务
            $transaction = $this->getDbConnection()->beginTransaction();
            try{
                //有则删除
                $criteria = new CDbCriteria();
                $criteria->addInCondition('class_id',$classIdArr);
                $criteria->addCondition("ps_id='{$psId}'");
                $this->deleteAll($criteria);

                $sql = 'INSERT INTO `product_class_relation` (`ps_id`,`class_id`,`semester_id`,`set_type`) VALUES '.implode(',',$value);
                $this->getDbConnection()->createCommand($sql)->execute();
                $transaction->commit();
                return '1';
            }catch (Exception $exception){
                $transaction->rollback();
               
                return '0';
            }

        }else{
            return '0';
        }
    }

    public function batchInsert($data){
        foreach ($data as $k=>$v){
            $value[] = "({$v['ps_id']},{$v['class_id']},{$v['semester_id']},{$v['set_type']})";
        }

        $sql = 'INSERT INTO `product_class_relation` (`ps_id`,`class_id`,`semester_id`,`set_type`) VALUES '.implode(',',$value);
        $this->getDbConnection()->createCommand($sql)->execute();
    }

    /**
     * @param $classId
     * @param $setType
     * @return array|null
     * 是否存在同一类型同一班级
     */
    public function findRelationByClassId($classId,$setType){
        $criteria = new CDbCriteria();
        $criteria->select = 'ps_id,set_type';
        $criteria->addCondition("class_id={$classId} AND set_type={$setType}");
        $result = $this->findAll($criteria);
        if($result){
            $info = getAttributes($result);
        }else{
            $info = array();
        }
        return $info;
    }

    /**
     * @param $psIdArr
     * @param $classId
     * @param $currSemester
     * @return string
     * 回归到默认设置
     */
    public function insertDefaultClass($psIdArr,$classId,$currSemester){
        if(is_array($psIdArr)){
            $value = "({$psIdArr['ps_id']},{$classId},{$currSemester},{$psIdArr['product_type']})";
            $sql = 'INSERT INTO `product_class_relation` (`ps_id`,`class_id`,`semester_id`,`set_type`) VALUES '.$value;

            $bool =  $this->getDbConnection()->createCommand($sql)->execute();
            if($bool>0){
                return '1';
            }else{
                return '0';
            }

        }else{
            return '0';
        }
    }

    /**
     * @param $psIdArr
     * @param $classId
     * @param $currSemester
     * @return string
     * 添加新班级时关联默认产品设置
     */
    public function insertDefaultPsClass($psIdArr,$classId,$currSemester){
        $value = array();
        if(is_array($psIdArr)){
            foreach ($psIdArr as $k=>$v){
                $value[] = "({$v['ps_id']},{$classId},{$currSemester},{$v['product_type']})";
            }
            $sql = 'INSERT INTO `product_class_relation` (`ps_id`,`class_id`,`semester_id`,`set_type`) VALUES '.implode(',',$value);

            $bool =  $this->getDbConnection()->createCommand($sql)->execute();
            if($bool>0){
                return '1';
            }else{
                return '0';
            }
        }else{
            return '0';
        }
    }
    /**
     * @param $psIdArr
     * @param $classId
     * @param $currSemester
     * @return string
     * 查询班级
     */
    public function getPsClass($psIdArr,$classId){
        $value = array();
        if(is_array($psIdArr)){
            $sql = "select ps_id,class_id from `product_class_relation` where ps_id in(".implode(',',$psIdArr).") and class_id in(".implode(',',$classId).")";
            $bool =  $this->getDbConnection()->createCommand($sql)->queryAll();
            return $bool;
        }else{
            return false;
        }
    }
}